• iWire Subaru Wiring Services

EJ20 - You're Going to Have to Be More Specific

Updated: Aug 24



We get calls and emails all the time about people wanting to swap an EJ20 Subaru engine into their car and we love to help with this! However, it's not enough information since the term EJ20 is a very general identification for any Subaru EJ engine that has 2 liters of displacement. It's not specific to the model year, whether it came with a turbo, AVCS, etc. So when you are describing your engine to us for your build please be more specific (ex: version number or year). If you aren’t sure, then you are welcome to send us a picture and we can help identify it.

We've included a basic list of common engines with some general information to assist.


Not sure which engine you have? Watch this video to learn how to identify your engine.


JDM V1-V2


Engine Code - EJ20G

Years It Was Made - 1993-1996

Drive by Wire - No

AVCS - No

OBD2 - No

Communication Method - Non CANBUS

Security System - Non Immobilized

JDM V3-V4


Engine Code - EJ20K

Years It Was Made - 1997-1998

Drive by Wire - No

AVCS - No

OBD2 - No

Communication Method - Non CANBUS

Security System - Non Immobilized

JDM V5-V6


Engine Code - EJ205 = WRX/Forester | EJ207 = STi

Years It Was Made - 1999-2000

Drive by Wire - No

AVCS - No

OBD2 - No

Communication Method - Non CANBUS

Security System - Non Immobilized

*This is the last year JDM Subarus were labeled with Version Numbers officially.

USDM WRX


Engine Code - EJ205

Years It Was Made - 2001-2005

Drive by Wire - No

AVCS - No

OBD2 - Yes

Communication Method - Non CANBUS

Security System - Non Immobilized

JDM V7-V8


Engine Code - EJ205 = WRX | EJ207 = STi

Years It Was Made - 2001-2004

Drive by Wire - No

AVCS - Intake Only

OBD2 - Yes

Communication Method - Non CANBUS

Security System - Non Immobilized

JDM Forester (non Forester STi models)


Engine Code - EJ205

Years It Was Made - 2001+

Drive by Wire - 2001-2003 No | 2004+ Yes - See this post for more info

AVCS - Intake Only

OBD2 - Yes

Communication Method - Non CANBUS

Security System - Immobilized

JDM V9


Engine Code - EJ205 = WRX | EJ207 = STi

Years It Was Made - 2005-2007

Drive by Wire - No

ACVS - Intake Only

OBD2 - Yes

Communication Method - Non CANBUS

Security System - Immobilized

JDM V10


Engine Code - EJ205 = WRX/Forester | EJ207 = STi

Years It Was Made - 2008+

Drive by Wire - Yes

ACVS - Intake and Exhaust

OBD2 - Yes

Communication Method - CANBUS

Security System - Immobilized

JDM Legacy Turbo


Engine Code - EJ20X and EJ20Y

Years It Was Made - 2005+

Drive by Wire - Yes

AVCS - Intake and Exhaust

OBD2 - Yes

Communication Method - CANBUS

Security System - Immobilized

#EngineGuide #EJ20 #EJ205 #EJ207

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